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Magna Carta
magna cum laude
Magna Graecia
magnanimity
magnanimous
magnate
magnesia
magnesite
magnesium
magnesium carbonate
magnesium chloride
magnesium hydroxide
magnesium oxide
magnesium sulfate
magnet
magnet school
magnetar
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magnetic epoch
mag·net·ic ep·och (plural mag·net·ic ep·ochs)


noun 
Definition:
 
period of magnetic stability: a long period of geologic time between reversals of the Earth's magnetic field
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